DS1558

更新时间： 2024-09-26 04:15:07

品牌	Logo	应用领域
美信 - MAXIM		控制器时钟
页数	文件大小	规格书
18页	321K
描述
Watchdog Clock with NV RAM Control

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中文翻译

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数据手册

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DS1558 数据手册

DS1558

Watchdog Clock with NV RAM Control

www.maxim-ic.com

FEATURES

PIN CONFIGURATION

CꢀIntegrated Real-Time Clock (RTC), Power-

Fail Control Circuit, and NV RAM Controller

CꢀClock Registers are Accessed Identically to

the Static RAM; These Registers are Resident

in the 16 Top RAM Locations

TOP VIEW

N.C.

A15

V_BAT1

A18

A16

A14

A12

CꢀCentury Register

IRQ/FT

A13

CꢀGreater than 10 Years of Timekeeping and

Data Retention in the Absence of Power with

Small Lithium Coin Cell(s) and Low-Leakage

SRAM

DS1558

A11

A10

CꢀPrecision Power-On Reset

OER

CꢀProgrammable Watchdog Timer and RTC

Alarm

CꢀBCD-Coded Year, Month, Date, Day, Hours,

Minutes, and Seconds with Automatic Leap-

Year Compensation Valid Up to the Year

2100

TQFP

For package information, go to :

www.maxim-ic.com/DallasPackInfo

CꢀBattery Voltage-Level Indicator Flag

CꢀPower-Fail Write Protection Allows for M10%

_CCPower-Supply Tolerance

CꢀUnderwriters Laboratory (UL) Recognized

ORDERING INFORMATION

VOLTAGE

PART

TEMP RANGE

PIN-PACKAGE

TOP MARK*

(V)

3.3

5.0

DS1558W

-40°C to +85°C

48 TQFP (7 x 7 x 1mm)

DS1558D

DS1558B

DS1558W+

DS1558W-TRL

DS1558W+TRL

DS1558Y

DS1558Y+

DS1558Y-TRL

DS1558Y+TRL

+ Denotes a lead-free/RoHS-compliant device.

* A “+” anywhere on the top mark indicates a lead-free device.

Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device

may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata..

1 of 18

REV: 071305

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中文翻译

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与DS1558相关器件

型号	品牌	获取价格	描述	数据表
DS1558B	MAXIM	获取价格	Watchdog Clock with NV RAM Control
DS1558D	MAXIM	获取价格	Watchdog Clock with NV RAM Control
DS1558W	MAXIM	获取价格	Watchdog Clock with NV RAM Control
DS1558W	DALLAS	获取价格	Watchdog Clock with NV RAM Control
DS1558W+	MAXIM	获取价格	Watchdog Clock with NV RAM Control
DS1558W+TRL	MAXIM	获取价格	Watchdog Clock with NV RAM Control
DS1558W-TRL	MAXIM	获取价格	Watchdog Clock with NV RAM Control
DS1558Y	DALLAS	获取价格	Watchdog Clock with NV RAM Control
DS1558Y	MAXIM	获取价格	Watchdog Clock with NV RAM Control
DS1558Y+	MAXIM	获取价格	Watchdog Clock with NV RAM Control